Add terminal zoom in/out (building on top of #1191) (#1209)

* add terminal zoom in/out (building on top of #1191)

* respond to @austincondiff's review

* make variables private

* fix logic

* fix @matthijseikelenboom's review comments

Author: luah5

CodeEdit/Features/TerminalEmulator/TerminalEmulatorView.swift

@@ -31,7 +31,7 @@ struct TerminalEmulatorView: NSViewRepresentable {
 
     private var font: NSFont {
         if !prefs.preferences.terminal.font.customFont {
-            return systemFont
+            return systemFont.withSize(CGFloat(prefs.preferences.terminal.font.size))
         }
         return NSFont(
             name: prefs.preferences.terminal.font.name,

CodeEdit/Features/WindowCommands/ViewCommands.swift

@@ -8,9 +8,14 @@
 import SwiftUI
 
 struct ViewCommands: Commands {
+    @ObservedObject
     private var prefs: AppPreferencesModel = .shared
+
     @State var windowController: CodeEditWindowController?
 
+    private let documentController: CodeEditDocumentController = CodeEditDocumentController()
+    private let statusBarViewModel: StatusBarViewModel = StatusBarViewModel()
+
     var navigatorCollapsed: Bool {
         windowController?.navigatorCollapsed ?? false
     }
@@ -26,14 +31,22 @@ struct ViewCommands: Commands {
             }
             .keyboardShortcut("p", modifiers: [.shift, .command])
 
-            Button("Zoom in") {
-                prefs.preferences.textEditing.font.size += 1
+            Button("Increase font size") {
+                if CodeEditDocumentController.shared.documents.count > 1 {
+                    prefs.preferences.textEditing.font.size += 1
+                }
+                prefs.preferences.terminal.font.size += 1
             }
             .keyboardShortcut("+")
 
-            Button("Zoom out") {
-                if !(prefs.preferences.textEditing.font.size <= 1) {
-                    prefs.preferences.textEditing.font.size -= 1
+            Button("Decrease font size") {
+                if CodeEditDocumentController.shared.documents.count > 1 {
+                    if !(prefs.preferences.textEditing.font.size <= 1) {
+                        prefs.preferences.textEditing.font.size -= 1
+                    }
+                }
+                if !(prefs.preferences.terminal.font.size <= 1) {
+                    prefs.preferences.terminal.font.size -= 1
                 }
             }
             .keyboardShortcut("-")